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180. Pond Succession
Test Description: ScienceStudyGames.com
Instructions: Answer all questions to get your test result.
1) Per the video,as water runs downhill through the watershed, it picks up small amounts of ____________and anything else that will move.
A
soil
B
rocks
C
animals
D
plants
2) The process of moving soil from one place to another is called ____________.
A
dirt moving
B
sediments
C
pond filling
D
erosion
3) The process of filling the pond over many years creates _____________in the pond.
A
draining
B
overgrowth
C
filling
D
sediments
4) Over time the pond will become deeper or more shallow.
A
deeper
B
more shallow.
5) Decaying plant and animal matter accumulating on the bottom of the pond adds more ______________to the soil.
A
matter
B
grassy overgrowth
C
pollutants
D
nutrients
6) As plants thrive, in the enriched soil they take up more room and the size of the pond diminishes. Thus, turning the pond into a ________________.
A
mud hole
B
wetland
C
river
D
swamp
7) The surface area around the pond, if contaminated or over fertilized can cause ____________to the pond.
A
discolorization
B
pollution
C
fish to grow too large
D
algae growth
8) Fertilizer and Pesticides can upset the pH_____________ of the water in the pond.
A
acidity
B
Number
C
balance
D
neutral
9) One result of too much fertilizer or pesticides in the water is the overgrowth or undergrowth of algae.
A
overgrowth
B
undergrowth
10) The process where too much fertilizer and pesticides leads to overgrowth of algae is called_______________.
A
pH balanced
B
pollution
C
eutrophication
D
thriving ecosystem
11) When eutrophication happens the ______________levels in the pond are disrupted and can kill many fish and animals.
A
pollution
B
carbon dioxide
C
pH
D
oxygen
*select an answer for all questions
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